Home / 42,144.92-63,219.81-15,849.89

Finding the Fourth Proportional to 42,144.92, 63,219.81 and 15,849.89

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Solution

The fourth proportional to 42,144.92, 63,219.81 and 15,849.89 is: 23,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.92 : 63,219.81 = 15,849.89 : x
  2. Step 2: Convert to fraction form
    42,144.92/63,219.81 = 15,849.89/x
  3. Step 3: Cross multiply
    42,144.92x = 63,219.81 × 15,849.89
  4. Step 4: Simplify right side
    42,144.92x = 1,002,026,638.97
  5. Step 5: Solve for x
    x = 1,002,026,638.97/42,144.92
  6. Step 6: Final answer
    x = 23,775.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.